Product: dished end, pressure head, boiler cover Material: Q235, A36, A516 Shape: eliptical shape, oval ... end or pressure vessel headShapes of the head: spherical head, concial head, elliptical head, flat base head, dished head, etc. Raw material : Q235,a515, A36 ETC ... .)Processing method: punching, pressing, etc.OEM service is avaible on custom drawings.If you are willing to do business with us ...